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The resistor (? =40 Ω), capacitor (? = 5 μF) and inductor (? = 2mH) are...

The resistor (? =40 Ω), capacitor (? = 5 μF) and inductor (? = 2mH) are connected
in parallel to the source of alternating voltage. Find the impedance of the circuit for the
frequency ?1 = 60 Hz and ?2 = 20 kHz

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